Hello! Jayderson here to see what I should do with this team I've been building. It consists of Pokemon that can sweep in many diverse ways. I was wondering what tweaks I should make to help them out!
Snek (Serperior)
Ability: Contrary
Item: Lum Berry
Ev Spread: 252 Speed/252 Sp. Attack/ 4 Sp. Defense
Nature: Timid
Snip Snip~ (Gliscor)
Ability: Poison Heal
Item: Toxic Orb
Ev Spread: 248 Hp/ 188 Defense/ 72 Speed
Nature: Impish
Mega Unknown (Sigilyph)
Ability: Magic Guard
Item: Flame Orb
Ev Spread: 248 Hp/ 252 Sp. Defense/ 8 Defense.
Nature: Calm
Armored Gallade (Bisharp)
Ability: Defiant
Item: Life Orb
Ev Spread: 252 Attack/ 252 Speed/ 4 Sp. Defense
Nature: Jolly
Back in my Day (Forretress)
Ability: Sturdy
Item: Leftovers
Ev Spread: 252 Hp/ 252 Defense/ 4 Attack
Nature: Impish
Just Saiyan (Azumarill)
Ability: Huge Power
Item: Sitrus Berry
Ev Spread: 252 Hp/ 252 Attack/ 4 Sp. Defense
Nature: Adamant
Keep in mind that I am still relatively new to Smogon, so my team building may not be the best. I appreciate any and all help, thanks!

Snek (Serperior)
Ability: Contrary
Item: Lum Berry
Ev Spread: 252 Speed/252 Sp. Attack/ 4 Sp. Defense
Nature: Timid
- Leaf Storm
- Dragon Pulse
- Giga Drain
- Synthesis

Snip Snip~ (Gliscor)
Ability: Poison Heal
Item: Toxic Orb
Ev Spread: 248 Hp/ 188 Defense/ 72 Speed
Nature: Impish
- Toxic
- Earthquake
- Protect
- Knockoff

Mega Unknown (Sigilyph)
Ability: Magic Guard
Item: Flame Orb
Ev Spread: 248 Hp/ 252 Sp. Defense/ 8 Defense.
Nature: Calm
- Cosmic Power
- Stored Power
- Roost
- Ancient Power

Armored Gallade (Bisharp)
Ability: Defiant
Item: Life Orb
Ev Spread: 252 Attack/ 252 Speed/ 4 Sp. Defense
Nature: Jolly
- Sucker Punch
- Knock off
- Iron Head
- Low Kick

Back in my Day (Forretress)
Ability: Sturdy
Item: Leftovers
Ev Spread: 252 Hp/ 252 Defense/ 4 Attack
Nature: Impish
- Spikes
- Toxic Spikes
- Stealth Rocks
- Explosion

Just Saiyan (Azumarill)
Ability: Huge Power
Item: Sitrus Berry
Ev Spread: 252 Hp/ 252 Attack/ 4 Sp. Defense
Nature: Adamant
- Belly Drum
- Aqua Jet
- Play Rough
- Return
Keep in mind that I am still relatively new to Smogon, so my team building may not be the best. I appreciate any and all help, thanks!